DSCA Senior Front-End Full-Stack/Platform Engineer (Software Development Analyst) - 30710

HII’s Mission Technologies division is hiring a Senior Front-End Full-Stack/Platform Engineer to support the Defense Security Cooperation Agency (DSCA). The role develops secure, accessible, high-performance web applications and AI-enabled user experiences, integrating enterprise APIs and services throughout the software development lifecycle.

Responsibilities:

• Develop responsive, accessible, and maintainable web applications using React, TypeScript, HTML, and CSS
• Build reusable user interface components, dashboards, forms, workflows, and data visualizations using established design systems and component libraries
• Develop conversational and AI-enabled user experiences, including chat interfaces, streamed responses, user feedback mechanisms, and clear error or fallback states
• Integrate front-end applications with RESTful APIs and support asynchronous, streaming, and real-time interactions as required
• Implement robust client-side input validation, error handling, application state management, authentication flows, and role-aware user interface behavior
• Apply secure front-end engineering practices and accessibility standards throughout design, development, testing, and release activities
• Write and maintain component, integration, and end-to-end tests; contribute to a test-driven development culture where appropriate
• Collaborate with product, design, backend, platform, cybersecurity, and AI/ML engineering teams to deliver integrated enterprise capabilities
• Support deployment of applications within AWS GovCloud environments, including integration with approved AWS services such as API Gateway, Amazon S3, and Amazon Bedrock

Requirements:

• Demonstrated experience developing production web applications using React, TypeScript, HTML, and CSS
• Experience designing and implementing reusable components, responsive interfaces, and accessible user experiences
• Experience integrating front-end applications with RESTful APIs and enterprise authentication and identity services
• Working knowledge of client-side application architecture, state management, error handling, and testing practices
• Experience with Git-based version control, code review, and Agile software delivery practices
• Familiarity with secure software development and DevSecOps practices, including dependency management, secure configuration, secrets handling, software bill of materials (SBOM) processes, and software supply-chain integrity
• Experience using component libraries or design systems, such as Material UI (MUI)
• Must possess and maintain an active Secret clearance at the time of consideration
• 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in related field; 0 years experience with PhD in related field; or High School Diploma or equivalent and 9 years relevant experience
• 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience
• 8+ years of preferred experience
• Experience developing conversational, AI-enabled, or generative AI user interfaces
• Experience consuming streaming APIs, server-sent events, WebSockets, or other real-time communication patterns
• Experience integrating applications with AWS services in AWS GovCloud environments
• Experience working closely with backend, platform, cybersecurity, and AI/ML engineering teams
• Familiarity with containerized application delivery and CI/CD pipelines